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ac3223d801
Add Set, Clear, IsSet and Zero methods to manipulate an *FdSet. These implement the same functionality as the FD_SET, FD_CLR, FD_ISSET and FD_ZERO macros in <sys/select.h>. Change-Id: I6b7bccb98e58ee5e719096ed5743f6edcd232840 Reviewed-on: https://go-review.googlesource.com/c/sys/+/205397 Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
86 lines
1.7 KiB
Go
86 lines
1.7 KiB
Go
// Copyright 2017 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build solaris
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package unix_test
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import (
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"os"
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"os/exec"
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"testing"
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"time"
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"golang.org/x/sys/unix"
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)
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func TestSelect(t *testing.T) {
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n, err := unix.Select(0, nil, nil, nil, &unix.Timeval{Sec: 0, Usec: 0})
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if err != nil {
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t.Fatalf("Select: %v", err)
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}
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if n != 0 {
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t.Fatalf("Select: expected 0 ready file descriptors, got %v", n)
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}
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dur := 150 * time.Millisecond
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tv := unix.NsecToTimeval(int64(dur))
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start := time.Now()
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n, err = unix.Select(0, nil, nil, nil, &tv)
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took := time.Since(start)
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if err != nil {
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t.Fatalf("Select: %v", err)
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}
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if n != 0 {
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t.Fatalf("Select: expected 0 ready file descriptors, got %v", n)
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}
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if took < dur {
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t.Errorf("Select: timeout should have been at least %v, got %v", dur, took)
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}
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rr, ww, err := os.Pipe()
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if err != nil {
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t.Fatal(err)
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}
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defer rr.Close()
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defer ww.Close()
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if _, err := ww.Write([]byte("HELLO GOPHER")); err != nil {
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t.Fatal(err)
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}
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rFdSet := &unix.FdSet{}
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fd := int(rr.Fd())
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rFdSet.Set(fd)
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n, err = unix.Select(fd+1, rFdSet, nil, nil, nil)
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if err != nil {
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t.Fatalf("Select: %v", err)
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}
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if n != 1 {
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t.Fatalf("Select: expected 1 ready file descriptors, got %v", n)
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}
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}
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func TestStatvfs(t *testing.T) {
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if err := unix.Statvfs("", nil); err == nil {
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t.Fatal(`Statvfs("") expected failure`)
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}
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statvfs := unix.Statvfs_t{}
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if err := unix.Statvfs("/", &statvfs); err != nil {
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t.Errorf(`Statvfs("/") failed: %v`, err)
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}
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if t.Failed() {
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mount, err := exec.Command("mount").CombinedOutput()
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if err != nil {
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t.Logf("mount: %v\n%s", err, mount)
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} else {
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t.Logf("mount: %s", mount)
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}
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}
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}
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